The Gold Filled Rope Chain Necklace features a roped chain and lobster clasp closure. High Quality and perfect for everyday wear. Available in two widths: 3mm and 4mm • Hypoallergenic, tarnish and fade resistant. Care for your piece by removing before swimming and exercising. Rinse with clean water to clean and dry with soft cloth. • Metals: 18k Brazilian Gold Filled over Brass Length: 16” inches (4mm), 18” inches (3mm)